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Route Target Quantity limitation

anyone know how many(quantity) different RT's you can import into 1 central VRF. What the limitation is?

2 REPLIES
Cisco Employee

Re: Route Target Quantity limitation

I do not think there is a hard limit. The limit is probably more tied to the resources available on the router and the config size.

Hope this helps,

Harold Ritter
Sr. Technical Leader
CCIE 4168 (R&S, SP)
harold@cisco.com
México móvil: +52 1 55 8312 4915
Cisco México 
Paseo de la Reforma 222 Piso 19
Cuauhtémoc, Juárez
Ciudad de México, 06600
México

Re: Route Target Quantity limitation

Hi,

import can be "any number", I myself tried more than 500 in a lab environment with no problem. RT export is different in that you may only have up to 128 extended communities in a single BGP update and additionally a maximum BGP update size of 4096 Bytes exists. Whichever limit you hit first will prevent you from announcing a VPNv4 prefix.

Hope this helps! Please rate all posts.

Regards, Martin

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